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lana66690 [7]
3 years ago
11

How many solutions does the system have? 6x - y = -1 6x+y=-1

Mathematics
2 answers:
vova2212 [387]3 years ago
6 0

Answer:x=-1/6,y=0

Step-by-step explanation:

6x-y=-1....(1)

6x+y=-1...(2)

From (2) make y the subject of formula

Y=-1-6x...(3)

Substitute (3)in (1)

6x-(-1-6x)=-1

6x+1+6x=-1

Collect like terms

6x+6x=-1-1

12x=-2

X=-1/6...(4)

Substitute (4) in (3)

Y=-1-6(-1/6)

Y=-1+1

Y=0

Therefore,x=-1/6

Y=0

Bogdan [553]3 years ago
6 0

Answer:

x = - 1/6

y = 0

Step-by-step explanation:

It can be solved simultaneously

6x - y = -1

6x + y = -1

Subtract equation two from equation one

-2y = 0

Divide both sides by-2

y = 0/-2

y = 0

Substitute 0 for y in either of the equations to get x

Using equation one , we have

6x - 0 = -1

6x = -1

Divide both sides by 6

x = -1/6

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